jave script 经典排序 - -冒泡排序

<script   type="text/javascript">
var arr =new  Array();
arr .push(2);
arr.push(3);
arr .push(1);
arr .push(0);
arr .push(4);
var temp;
for (var i =0;i<arr.length; i++){
    for (var j =i+1;j <arr.length;j++){
        if(arr[i]>arr[j]){
            temp =arr[i];
            arr[i]=arr[j];
            arr[j]=temp;
        }
        
    }
}
for(var x in arr){
        alert(arr[x]);
    }
</script>